xml-fiesta
Version:
Electronic signed document XML Protocol for Node & Browser
179 lines • 8.28 kB
JavaScript
"use strict";
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
var jsrsasign = require('jsrsasign');
var signature_1 = require("./signature");
var conservancyRecord_1 = require("./conservancyRecord");
var conservancyRecordNom2016_1 = require("./conservancyRecordNom2016");
var common_1 = require("./common");
var errors_1 = require("./errors");
var xml_1 = require("./xml");
var VERSION = '0.0.1';
var Document = (function () {
function Document(file, options) {
var _this = this;
if (!file) {
throw new errors_1.ArgumentError('file is required');
}
this.pdf_content = file;
this.signers = [];
var defaultOpts = {
version: VERSION,
signers: [],
encrypted: false,
transfer: false,
};
this.errors = {};
options = common_1.extend(defaultOpts, options);
this.conservancyRecord = null;
this.recordPresent = false;
if (options.conservancyRecord) {
this.setConservancyRecord(options.conservancyRecord);
}
this.contentType = options.contentType;
this.name = options.name;
this.version = options.version;
this.encrypted = options.encrypted === 'true' || options.encrypted === true;
this.transfer = options.transfer === "true" || options.transfer === true;
var digest = new jsrsasign.crypto.MessageDigest({
alg: 'sha256',
prov: 'cryptojs'
});
this.originalHash = digest.digestHex(this.file('hex'));
if (options.signers.length > 0) {
options.signers.forEach(function (el) { return _this.addSigner(el); });
}
}
Document.prototype.setConservancyRecord = function (data) {
this.originalXmlHash = data.originalXmlHash;
this.recordPresent = true;
try {
if (!data.version) {
this.conservancyRecord = new conservancyRecord_1.default(data.caCert, data.userCert, data.record, data.timestamp, data.originalXmlHash);
}
else {
this.conservancyRecord = new conservancyRecordNom2016_1.default(data.caCert, data.record, data.timestamp, data.originalXmlHash);
}
}
catch (e) {
throw new errors_1.InvalidRecordError("The conservancy record is not valid: " + e.message);
}
};
Document.prototype.fileBuffer = function () {
if (!this.pdf_content) {
return null;
}
return Buffer.from(this.pdf_content, 'base64');
};
Document.prototype.pdfBuffer = function () { return this.fileBuffer(); };
Document.prototype.file = function (format) {
if (!this.pdf_content) {
return null;
}
if (!format) {
return common_1.b64toAscii(this.pdf_content);
}
if (format === 'hex') {
return common_1.b64toHex(this.pdf_content);
}
if (format === 'base64') {
return this.pdf_content;
}
throw new errors_1.ArgumentError("unknown format " + format);
};
Document.prototype.setFile = function (file) {
this.pdf_content = file;
};
Document.prototype.toXML = function (eDocument) {
if (!eDocument)
throw new errors_1.ArgumentError('eDocument is required');
return xml_1.default.toXML(eDocument, this.file('base64'));
};
Document.prototype.pdf = function (format) { return this.file(format); };
Document.prototype.addSigner = function (signer) {
if (!signer.cer || !signer.signature || !signer.signedAt) {
throw new errors_1.InvalidSignerError('signer must contain cer, signature and signedAt');
}
return this.signers.push(signer);
};
Document.prototype.signatures = function () {
return this.signers.map(function (signer) { return new signature_1.default(signer.cer, signer.signature, signer.signedAt, signer.email, signer.ePass); });
};
Document.prototype.validSignatures = function () {
if (!this.originalHash) {
return false;
}
var valid = true;
var oHash = this.originalHash;
this.signatures().forEach(function (signature) {
if (valid && !signature.valid(oHash)) {
return valid = false;
}
});
return valid;
};
Document.fromXml = function (xmlString) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
return [2, new Promise(function (resolve, reject) { return xml_1.default.parse(xmlString).then(function (xml) {
var opts = {
signers: xml.xmlSigners(),
version: xml.version,
name: xml.name,
encrypted: xml.encrypted,
contentType: xml.contentType,
conservancyRecord: xml.getConservancyRecord(),
transfer: xml.isTransfer,
};
var doc = new Document(xml.file(), opts);
resolve({
xml: xml,
document: doc,
xmljs: xml.eDocument,
xmlHash: xml.getConservancyRecord() && xml.getConservancyRecord().originalXmlHash,
xmlOriginalHash: xml.originalHash,
});
}).catch(function (error) { return reject(error); }); })];
});
});
};
return Document;
}());
exports.default = Document;
;
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